Hi Jagan, > -----Original Message----- > From: U-Boot [mailto:u-boot-boun...@lists.denx.de] On Behalf Of Ashish > Kumar > Sent: Wednesday, October 10, 2018 4:23 PM > To: Jagan Teki <ja...@amarulasolutions.com> > Cc: U-Boot-Denx <u-boot@lists.denx.de>; Jagan Teki <ja...@openedev.com>; > Rajat Srivastava <rajat.srivast...@nxp.com>; Suresh Gupta > <suresh.gu...@nxp.com> > Subject: Re: [U-Boot] [PATCH] driver/mtd: Add MICRON manufacturer id in spi > framework > > > -----Original Message----- > > From: Jagan Teki <ja...@amarulasolutions.com> > > Sent: Wednesday, October 10, 2018 11:51 AM > > To: Ashish Kumar <ashish.ku...@nxp.com> > > Cc: U-Boot-Denx <u-boot@lists.denx.de>; Jagan Teki > > <ja...@openedev.com>; Rajat Srivastava <rajat.srivast...@nxp.com>; > > Suresh Gupta <suresh.gu...@nxp.com> > > Subject: Re: [U-Boot] [PATCH] driver/mtd: Add MICRON manufacturer id > > in spi framework > > > > On Tue, Sep 25, 2018 at 2:13 PM Ashish Kumar <ashish.ku...@nxp.com> > > wrote: > > > > > > Signed-off-by: Suresh Gupta <suresh.gu...@nxp.com> > > > Signed-off-by: Yogesh Gaur <yogeshnarayan.g...@nxp.com> > > > Signed-off-by: Ashish Kumar <ashish.ku...@nxp.com> > > > --- > > > drivers/mtd/spi/sf_internal.h | 1 + > > > drivers/mtd/spi/spi_flash.c | 2 ++ > > > 2 files changed, 3 insertions(+) > > > > > > diff --git a/drivers/mtd/spi/sf_internal.h > > > b/drivers/mtd/spi/sf_internal.h index 4f63cacc64..26f5c7c995 100644 > > > --- a/drivers/mtd/spi/sf_internal.h > > > +++ b/drivers/mtd/spi/sf_internal.h > > > @@ -32,6 +32,7 @@ enum spi_nor_option_flags { > > > /* CFI Manufacture ID's */ > > > #define SPI_FLASH_CFI_MFR_SPANSION 0x01 > > > #define SPI_FLASH_CFI_MFR_STMICRO 0x20 > > > +#define SPI_FLASH_CFI_MFR_MICRON 0x2C > > > > Why we need this? is it to support old micron chips? > > NOR flash name MT35X_QLKA and MT25Q_** used on NXP board has > manufacturer id as 0x2C, which are rather for newer flashes after the split of > Micron from ST. >
Same is being discussed in Linux-mtd mailing list [1]. Public data sheet of MT35x flash can be checked at[2] -- Regards Yogesh Gaur. [1] https://patchwork.ozlabs.org/patch/971439/ [2] https://www.micron.com/resource-details/0b74b806-bbf1-4c24-b07b-35e2799bb6ff > Regards > Ashish > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.de > nx.de%2Flistinfo%2Fu- > boot&data=02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7Cd2c8d343b > b8646a75c1b08d62e9eabc3%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7 > C0%7C636747656373729732&sdata=58px6wLL96jaImJ6MGXC6rRHiXO3oe > sj1EFfCrEmoGY%3D&reserved=0 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot